Database:Documentation
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This is a running start at documenting the tables in the MySQL instances used on both grid and regions, and describing how they relate to each other in the context of an OpenSim grid. | This is a running start at documenting the tables in the MySQL instances used on both grid and regions, and describing how they relate to each other in the context of an OpenSim grid. | ||
Revision as of 06:03, 21 May 2009
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This article or section contains incomplete information. Please help us by completing the content on this page. |
This is a running start at documenting the tables in the MySQL instances used on both grid and regions, and describing how they relate to each other in the context of an OpenSim grid.
SQLite is generally not considered apropriate for this use case and will not be covered here; however the table structures are very similar and most of what is here will be useful in that context as well.
Note that some of these tables may be relics, some may be planned for future use, and some may see heavy use but have columns which are relics, not yet properly updated or not yet used at all. Alpha code FTW!! :D
The instances:
| Grid: | |
| agents | Records agent (Avatar/User) login details |
| assets | Comprehensive grid assets including textures and avatar inventories |
| avatarappearance | Persistence of the visual appearance of avatars between logins |
| inventoryfolders | Inventory folder-related details *excepting contents* |
| Contents are in the inventoryitems table and point back to inventoryfolders | |
| inventoryitems | All inventory item details (including folder associations) except contents - contents are referenced |
| in the assets table |
|
| logs | Stores a record of logged events |
| logs_preTimestamp | Old format logs table? **RELIC - no longer present in dist DB |
| *** it would appear neither of these log tables is currently used *** |
|
| migrations | Supports 'automagic' migration to new database formats |
| regions | Regions known to the grid |
| reservations | Region registration table. This table has no rows on OSGrid and is likely in place for future functionality **RELIC - no longer present in dist DB |
| userfriends | Friends list registration |
| users | Stored user profile |
| Region: | |
| estate_groups | Narrowly purposed at present. Appears to associate UUIDs under an Estate ID |
| estate_managers | Assoicates UUIDs with Estate ID |
| estate_map | Associates Regions with Estates By Estate ID |
| estate_settings | Settings for Estates |
| estate_users | Users allowed on the Estate |
| estateban | Users banned from the Estate |
| land | Parcel Properties |
| landaccesslist | Parcel Access List |
| migrations | Supports 'automagic' upgrade to new database formats |
| primitems | contains the prim's inventory, which is not at all unlike the avatars' inventory with the exception of folders |
| prims | All rezzed prim details *excepting shape and contents* |
| primshapes | Properties of all rezzed prims |
| regionban | Per-Region ban list |
| regionsettings | Per-Region settings |
| terrain | Terrain mesh revision history |
Full details of back-store instantiation as performed by the OpenSim software can be found here:
http://opensimulator.org/svn/opensim/trunk/OpenSim/Data/MySQL/Resources/
Here is a note concerning the initial creation of the MySQL tables
Questions about this documentation can be directed to daTwitch on #opensim-dev or #osgrid FreeNode IRC or Hiro Protagonist on OSGrid.
For further clarification of the content ask on #opensim-dev look for sdague, JustinCC or DrSco
